Power supply, Sm-12/24 module – Potter PFC-7500 Series User Manual
Page 22
18
22.3
SNM Class B Style W using Multiple Notification Appliances
1 AUX PWR
2 GND
3 Alarm In
4 Bell PWR In
5 Bell Out +
6 Bell Out -
7 Bell Trouble
8 Bell Trouble
Normal/Silence Switch
Potter Model SNM
45mA @ 12 VDC
The SNM Notification
Appliance Circuit
Module in alarm draws
up to 31mA through
its Terminal 3 Alarm
Input and 45mA from
its Terminal 1 Aux
Power Input.
Panel Reset
AC
1
2
3
4
7
8
10 11 12 13
14 15 16
AC
B+
B-
9
RED
YEL
GRN BLK
Z1B-
Z2 -
Z2+
1
2
3
4
J12
Z1A- Z1B +
Z1A +
PFC-7500 SeriesCommercial Fire Command
Processor Panel
MAIN
BACKUP
J11
N/C COM N/O N/C COM N/
O
Telephone Connections
J10 Trouble Annunciator Header
5
6
BELL
SM K
O
U
TP
U
T
1
O
U
TP
U
T
2
SILENCE/RESET
PUSH FOR ONE SECOND
S ilence/Reset
B utton
S ilence/Reset
Header
17 18
Z3 -
Z3+
19 20
Z4 -
Z4+
21 22
Z5 -
Z5+
Bell
Monitor
r
J13
J14
Power Supply
J6
+ DC -
AC
Trouble
Batt
Trouble
J4
J3
J2
Green
LED
AC
AC
+ BAT -
Red
LED
DC
12 VDC @ 5 Amps
Battery
Start
TAM Module
Auxiliary Power Supply must be regulated, power
limited, and listed for Fire Protective Signaling
Service. Power Supplies must have battery backup.
Note: If an auxiliary power supply is not used,
terminals 3 and 4 can be jumpered together to
supply Bell Power from the panel.
The Auxiliary Power Supply and Notification
Circuit Module trouble contact zone must be
programmed as a Supervisory Type zone.
SM-12/24 Module
Polarized Notification
Appliances
10K EOLR
Sync module
required when using
multiple notification
appliances
See the Notification Appliance
section for a list of appliances.
The maximum voltage drop
between the panel Bell Output and
the EOLR is .5 VDC when a separate
power supply is not used.
When using a separate power supply, the
maximum current is 3 Amps.
The Bell Output
programming for Fire
type zones must be set
to Steady.
Regulated
12 VDC